Example usage for javax.persistence EntityManager persist

Introduction

In this page you can find the example usage for javax.persistence EntityManager persist.

Prototype

public void persist(Object entity);

Source Link

Document

Make an instance managed and persistent.

Usage

From source file:in.bookmylab.jpa.JpaDAO.java

public void saveXrdBooking(XrdLabBooking xrd) throws AppException {
    EntityManager em = emf.createEntityManager();
    try {// w  w  w  .ja  v  a 2 s .  c  om
        em.getTransaction().begin();
        if (xrd.xrdId == null) {
            em.persist(xrd);
            fixAnalysisModesAndResourceType(xrd.booking, em, false);
        } else {
            // Validate status change, if any
            Query q = em.createNamedQuery("ResourceBooking.findById");
            ResourceBooking rb = (ResourceBooking) q.setParameter("bookingId", xrd.booking.bookingId)
                    .getSingleResult();
            if (!statusChangeValid(rb.status, xrd.booking.status)) {
                throw new AppException(String.format("Status cannot be changed from %s to %s.", rb.status,
                        xrd.booking.status));
            }

            fixAnalysisModesAndResourceType(xrd.booking, em, true);
            em.merge(xrd);
        }
        em.getTransaction().commit();
    } finally {
        em.close();
    }
}

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From source file:uk.ac.edukapp.service.UserAccountService.java

public Useraccount updateUser(int userId, String username, String email, String password, String realname) {

    Useraccount user = this.getUserAccount(userId);
    EntityManager em = getEntityManagerFactory().createEntityManager();
    em.getTransaction().begin();//from   www .j a va 2s  . co  m
    user.setEmail(email);

    UUID token = UUID.randomUUID();
    String salt = token.toString();
    String hashedPassword = MD5Util.md5Hex(salt + password);
    user.setPassword(hashedPassword);
    user.setSalt(salt);
    em.persist(user);

    user.setUsername(username);

    Accountinfo info = user.getAccountInfo();
    info.setRealname(realname);
    em.persist(user);
    em.persist(info);

    em.getTransaction().commit();
    em.close();

    return user;
}

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From source file:org.eclipse.skalli.core.storage.jpa.JPAStorageComponent.java

@Override
public void archive(String category, String id) throws StorageException {
    EntityManager em = getEntityManager();

    try {/*  ww w  .  j  ava 2  s. c  o  m*/
        em.getTransaction().begin();

        // find original StorageItem
        StorageItem item = findStorageItem(category, id, em);
        if (item == null) {
            // nothing to archive
            return;
        }

        // write to HistoryStorage
        HistoryStorageItem histItem = new HistoryStorageItem(item);
        em.persist(histItem);
        em.getTransaction().commit();
    } catch (Exception e) {
        throw new StorageException("Failed to archive data", e);
    } finally {
        em.close();
    }
}

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From source file:org.apache.camel.component.jpa.JpaWithNamedQueryTest.java

@Test
public void testProducerInsertsIntoDatabaseThenConsumerFiresMessageExchange() throws Exception {
    transactionStrategy.execute(new JpaCallback() {
        public Object doInJpa(EntityManager entityManager) throws PersistenceException {
            // lets delete any exiting records before the test
            entityManager.createQuery("delete from " + entityName).executeUpdate();

            // now lets create a dummy entry
            MultiSteps dummy = new MultiSteps("cheese");
            dummy.setStep(4);//w w w.  j av  a2 s. co m
            entityManager.persist(dummy);
            return null;
        }
    });

    List results = jpaTemplate.find(queryText);
    assertEquals("Should have no results: " + results, 0, results.size());

    // lets produce some objects
    template.send(endpoint, new Processor() {
        public void process(Exchange exchange) {
            exchange.getIn().setBody(new MultiSteps("foo@bar.com"));
        }
    });

    // now lets assert that there is a result
    results = jpaTemplate.find(queryText);
    assertEquals("Should have results: " + results, 1, results.size());
    MultiSteps mail = (MultiSteps) results.get(0);
    assertEquals("address property", "foo@bar.com", mail.getAddress());

    // now lets create a consumer to consume it
    consumer = endpoint.createConsumer(new Processor() {
        public void process(Exchange e) {
            LOG.info("Received exchange: " + e.getIn());
            receivedExchange = e;
            latch.countDown();
        }
    });
    consumer.start();

    boolean received = latch.await(50, TimeUnit.SECONDS);
    assertTrue("Did not receive the message!", received);

    assertReceivedResult(receivedExchange);

    // lets now test that the database is updated
    // we need to sleep as we will be invoked from inside the transaction!
    Thread.sleep(1000);

    transactionStrategy.execute(new JpaCallback() {
        @SuppressWarnings("unchecked")
        public Object doInJpa(EntityManager entityManager) throws PersistenceException {

            // now lets assert that there are still 2 entities left
            List<MultiSteps> rows = entityManager.createQuery("select x from MultiSteps x").getResultList();
            assertEquals("Number of entities: " + rows, 2, rows.size());

            int counter = 1;
            for (MultiSteps row : rows) {
                LOG.info("entity: " + counter++ + " = " + row);

                if (row.getAddress().equals("foo@bar.com")) {
                    LOG.info("Found updated row: " + row);

                    assertEquals("Updated row step for: " + row, getUpdatedStepValue(), row.getStep());
                } else {
                    // dummy row
                    assertEquals("dummy row step for: " + row, 4, row.getStep());
                }
            }
            return null;
        }
    });

    JpaConsumer jpaConsumer = (JpaConsumer) consumer;
    assertURIQueryOption(jpaConsumer);
}

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From source file:org.jasig.portlet.blackboardvcportlet.dao.impl.SessionDaoImpl.java

@Override
@Transactional// w w  w  . j a v a 2  s.com
public SessionImpl createSession(BlackboardSessionResponse sessionResponse, String guestUrl) {
    //Find the creator user
    final String creatorId = sessionResponse.getCreatorId();
    ConferenceUserImpl creator = this.conferenceUserDao.getUserByUniqueId(creatorId);
    if (creator == null) {
        //This should be pretty rare as the creator should be the currently authd user
        logger.warn(
                "Internal user for session creator {} doesn't exist for session {}. Creating a bare bones user to compensate",
                creatorId, sessionResponse.getSessionId());
        creator = this.conferenceUserDao.createInternalUser(creatorId);
    }

    //Create and populate a new blackboardSession
    final SessionImpl session = new SessionImpl(sessionResponse.getSessionId(), creator);

    updateBlackboardSession(sessionResponse, session);

    session.setGuestUrl(guestUrl);

    //Persist and return the new session
    final EntityManager entityManager = this.getEntityManager();
    entityManager.persist(session);

    creator.getOwnedSessions().add(session);
    entityManager.persist(creator);

    return session;
}

---

From source file:org.opencastproject.userdirectory.jpa.JpaUserAndRoleProvider.java

/**
 * A utility class to load the user directory.
 * /*from   ww  w. j  a  v a 2 s .  c o  m*/
 * @param user
 *          the user object
 */
public void addUser(JpaUser user) {

    // Create a JPA user with an encoded password.
    String encodedPassword = PasswordEncoder.encode(user.getPassword(), user.getUsername());
    user = new JpaUser(user.getUsername(), encodedPassword, user.getOrganization(), user.getRoles());

    // Then save the user
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        em.persist(user);
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        if (em != null)
            em.close();
    }
}

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From source file:org.ejbca.extra.db.MessageHome.java

/**
 * Creates a message and store it to database with status waiting.
 * If a message already exists, it will be overwritten.
 * // w  w  w. ja  va  2s.  c  om
 * @param messageId, the unique message id.
 * @param message, the actual message string.
 * @return String, the uniqueId that is the primary key in the database
 */

public String create(String messageId, SubMessages submessages) {
    log.trace(">create : Message, messageId : " + messageId);
    EntityManager entityManager = getNewEntityManager();
    Message message;
    try {
        message = Message.findByUniqueId(entityManager, Message.createUniqueIdString(messageId, type));
        if (message != null) {
            message.update(submessages, Message.STATUS_WAITING);
        } else {
            message = new Message(messageId, type);
            message.setSubMessages(submessages);
            entityManager.persist(message);
        }
    } finally {
        closeEntityManager(entityManager);
    }
    log.trace("<create : Message, messageid : " + messageId);
    return message.getUniqueId();
}

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From source file:org.jasig.portlet.blackboardvcportlet.dao.impl.PresentationDaoImpl.java

@Override
@Transactional/* w ww.j  a v  a 2  s  .  c o m*/
public void deletePresentation(Presentation presentation) {
    Validate.notNull(presentation, "presentation can not be null");

    final EntityManager entityManager = this.getEntityManager();

    final PresentationImpl presentationImpl = entityManager.find(PresentationImpl.class,
            presentation.getPresentationId());

    final ConferenceUser creator = presentationImpl.getCreator();
    final ConferenceUserImpl creatorImpl = this.conferenceUserDao.getUser(creator.getUserId());
    creatorImpl.getPresentations().remove(presentationImpl);

    entityManager.remove(presentationImpl);
    entityManager.persist(creatorImpl);
}

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From source file:org.eclipse.skalli.core.storage.jpa.JPAStorageComponent.java

@Override
public void write(String category, String id, InputStream blob) throws StorageException {
    EntityManager em = getEntityManager();

    em.getTransaction().begin();//  w ww.  java2 s.  c  om
    try {
        StorageItem item = findStorageItem(category, id, em);
        if (item == null) {
            StorageItem newItem = new StorageItem();
            newItem.setId(id);
            newItem.setCategory(category);
            newItem.setDateModified(new Date());
            newItem.setContent(IOUtils.toString(blob, "UTF-8"));
            em.persist(newItem);
        } else { //update
            item.setDateModified(new Date());
            item.setContent(IOUtils.toString(blob, "UTF-8"));
        }
        em.getTransaction().commit();
    } catch (Exception e) {
        throw new StorageException("Failed to write data", e);
    } finally {
        em.close();
    }
}

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From source file:org.apache.juddi.replication.ReplicationNotifier.java

/**
 * Note: this is for locally originated changes only, see null null null         {@link org.apache.juddi.api.impl.UDDIReplicationImpl.PullTimerTask#PersistChangeRecord PersistChangeRecord
 * } for how remote changes are processed
 *
 * @param j must be one of the UDDI save APIs
 *
 */// www.j av  a 2 s.  c o  m
protected void ProcessChangeRecord(org.apache.juddi.model.ChangeRecord j) {
    //store and convert the changes to database model

    //TODO need a switch to send the notification without persisting the record
    //this is to support multihop notifications
    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = null;
    try {
        tx = em.getTransaction();
        tx.begin();
        j.setIsAppliedLocally(true);
        em.persist(j);
        j.setOriginatingUSN(j.getId());
        em.merge(j);
        log.info("CR saved locally, it was from " + j.getNodeID() + " USN:" + j.getOriginatingUSN() + " Type:"
                + j.getRecordType().name() + " Key:" + j.getEntityKey() + " Local id:" + j.getId());
        tx.commit();
    } catch (Exception ex) {
        log.fatal("unable to store local change record locally!!", ex);
        if (tx != null && tx.isActive()) {
            tx.rollback();
        }
        JAXB.marshal(MappingModelToApi.mapChangeRecord(j), System.out);
    } finally {
        em.close();
    }

    log.debug("ChangeRecord: " + j.getId() + "," + j.getEntityKey() + "," + j.getNodeID() + ","
            + j.getOriginatingUSN() + "," + j.getRecordType().toString());
    SendNotifications(j.getId(), j.getNodeID(), false);

}

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